ENGLISH - H3821
User Manual
A. Features
• 13 Digits LCD Display, Display Hour, Minute, Second, Month, Day, Year and Week
• Automatic Calendar (2000 ~ 2099)
• Dual Time
• 12 / 24H format selectable, Auto Calendar
• Daily Alarm ,Chime hourly and SNZ
• 1/100 second to 23 hour 59.99 second Chronograph with split functions,12 groups of LAP segment timing
• Countdown function
• EL backlight
• Touch-tone
B. Operational Manual
1. At any mode, press A key EL backlight for 3s.
2. Press B to change the display mode
3. In real time mode press D key to switch 12 hours or 24 hours display.
4. Real Time and date
• Time Setting
a) Press and hold C key for 2s to time setting mode and „Second“ flashing, Press B key to select item as following sequence:
b) Press D key while the seconds are in the range of 30 to 59, resetting them to 00 and adding 1 to the minutes.
While the seconds are in the range of 00 to 29, the minutes won’t be changed.
c) Press D key to adjust the value increment, hold down D key to quickly adjust.
d) Press C key to return to Real Time Mode.
e) In setting mode. 1 minute No key operation automatically exit setting, return to real time display mode.
5. Dual Time Mode
• In the real time mode, Press B key 3 times to enter Dual Time Mode,
Press and hold C key for 2s to select „Hour„ setting, Press B key to select „Minute„ setting.
• Press D key to adjust the value increment, hold down D key to quickly adjust.
• Press C key again to finish setting and return to Dual Time displaying mode.
• In setting mode. 1 minute No key operation automatically exit setting, return to Dual Time displaying mode.
• The second of Dual Time is the same as real time.
6. Daily Alarm
• Turn On / Off Alarm, Chime and Snooze
a) In Alarm mode, press D and then press C key to turn on/off Alarm ( ),
b) In Alarm Mode, press C to turn on/off hourly chime ( ) and snooze (“SNZ”),
7. Alarm Mode
• In alarm mode, press and hold C key for 2 seconds to enter the alarm time setting state, then press B key to select the setting items as follows:
• Press D key to adjust the value increment, hold down D key to quickly adjust.
• Press C key to return to Alarm Mode.
• In setting mode. No any key operation then will back to alarm display mode automatically after 1 minute.
(D) Start(A) Light
(C) Reset(B) Mode
Press B
Real Time Alarm Chronograph Count DownDual Time (DT)
Day Month Year
Real Time Second Hour Minute
Press C
for 2 s
Press B Press B
Press BPress BPress C
Press B
Hour Minute
Press C Press C
Press B
Press C
Alarm Turn on hourly chime Turn on Snooze
Turn on Alarm Turn off Alarm
Press BPress B Press B
Hour Minute Month Day
b) In Alarm Mode, press C to turn on/off hourly chime ( ) and snooze (“SNZ”),
a) In Alarm mode, press D and then press C key to turn on/off Alarm ( ),
